A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Identifying causal relationships from observational data is not easy. Still, ...

A two-dimensional random vector in the domain of attraction of an extreme value distribution G is said to be asymptotically independent (i.e. in the tail) if G is the product of its marginal ...

This is a preview. Log in through your library . Abstract If the series ∑ fi of random vectors with values in a Banach space converges unconditionally in measure, then, for each (λi) ε l∞, the series ...